Escape Percent-signs(%) in crontab

Escape Percent-signs (%) in crontab

In order to input % character as command parameter in cron task, it needs to be escaped using backslash ().

man (5) crontab:

Percent-signs (%) in the command, unless escaped with backslash (\), 
will be changed into newline characters, and all data after the 
first % will be sent to the command as standard input.

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